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firmware: google: Release devices before unregistering the bus

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[ Upstream commit cae0970ee9c4527f189aac378c50e2f0ed020418 ]

Fix a bug where the kernel module can't be loaded after it has been
unloaded as the devices are still present and conflicting with the
to be created coreboot devices.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Link: https://lore.kernel.org/r/20191118101934.22526-2-patrick.rudolph@9elements.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 65946690ed8d ("firmware: coreboot: Register bus in module init")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Patrick Rudolph 2019-11-18 11:19:29 +01:00 committed by Greg Kroah-Hartman
parent cb7495fe95
commit a2012335aa
1 changed files with 7 additions and 0 deletions
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7
drivers/firmware/google/coreboot_table.c
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@ -163,8 +163,15 @@ static int coreboot_table_probe(struct platform_device *pdev)
return ret; return ret;
} }
static int __cb_dev_unregister(struct device *dev, void *dummy)
{
device_unregister(dev);
return 0;
}
static int coreboot_table_remove(struct platform_device *pdev) static int coreboot_table_remove(struct platform_device *pdev)
{ {
bus_for_each_dev(&coreboot_bus_type, NULL, NULL, __cb_dev_unregister);
bus_unregister(&coreboot_bus_type); bus_unregister(&coreboot_bus_type);
return 0; return 0;
} }